Home / 62,872.50-94,319.40-31,284.30

Finding the Fourth Proportional to 62,872.50, 94,319.40 and 31,284.30

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Solution

The fourth proportional to 62,872.50, 94,319.40 and 31,284.30 is: 46,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.50 : 94,319.40 = 31,284.30 : x
  2. Step 2: Convert to fraction form
    62,872.50/94,319.40 = 31,284.30/x
  3. Step 3: Cross multiply
    62,872.50x = 94,319.40 × 31,284.30
  4. Step 4: Simplify right side
    62,872.50x = 2,950,716,405.42
  5. Step 5: Solve for x
    x = 2,950,716,405.42/62,872.50
  6. Step 6: Final answer
    x = 46,931.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.